<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jquery练习</title>
</head>
<body>
    <!-- <button type="button">点我消失</button>
    <script src="../jquery.js"></script>
    <script>
        $(document).ready(function(){
            $('button').click(function() {
                $(this).hide();      
            });
        });

    </script> -->
    <!-- <script src="../jquery.js"></script> -->

    <!-- <div id="one"><span>你好</span></div>
    <input type="text" value="默认元素">
    <script>
       let a = $("#one").html();
       let b = $("#one").text();
       let c = $("input").val();
       console.log(a);
       console.log(b);
       console.log(c); -->
    <!-- </script> -->
     
</body>
</html>